Base conversion.

Base.java

import java.util.*;

public class LabGrade
{
    public static void main (String[] args)
    {
        int base;      // the new base
        int base10Num; // the number in base 10
        int maxNumber; // the maximum number that will fit
        
        // in 4 digits in the new base
        int place0; // digit in the 1's (base^0) place
        int place1; // digit in the base^1 place
        int place2; // digit in the base^2 place
        int place3; // digit in the base^3 place
        int placeholder;
        
        String baseBNum = new String (""); // the number in the new base
        Scanner scan = new Scanner(System.in);
        
        // read in the base 10 number and the base
        System.out.println ("\nBase Conversion Program");
        System.out.println("Please enter a base (2-9):\n");
        base = scan.nextInt();
        
        // Compute the maximum base 10 number that will fit in 4 digits
        maxNumber = (base * base * base * base) - 1; // b^4 - 1
        System.out.println("Base: " + maxNumber);
        
        // in the new base and tell the user what range the number they
        // want to convert must be in
        
        System.out.println("Please enter a base 10 number to convert:\n");
        base10Num = scan.nextInt();

        place0 = base10Num % base;
        
        placeholder = base10Num / base;
        
        place1 = placeholder % base;
        
        placeholder /= base;
        
        place2 = placeholder % base;
        
        placeholder /= base;
        
        place3 = placeholder % base;
        
        placeholder /= base;
        
        System.out.println(place3 + " " + place2 + " " + place1 + " " + place0);
    }
}